4000% is the change from 4 to 164
Calculation steps:
[( 164 - 4 ) ÷ 4] x 100 = 4000%
Formula
Percentage change = [(164 - 4) / 4] x 100
Subtract the new number by the original number
164 - 4 = 160
160 ÷ 4 = 40
40 x 100 = 4000%
Example